package com.xbrother.utils;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * Bean 工具
 */
@Slf4j
@Component
public class BeanUtils implements ApplicationContextAware {
    private static ApplicationContext applicationContext;

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {
        if (applicationContext == null) {
            applicationContext = context;
            log.info("初始化BeanUtils......");
        }
    }

    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }

    public static <T> Map<String, T> getBeans(Class<T> clazz) {

        return getApplicationContext().getBeansOfType(clazz);

    }
}
